Unusual watch concealed in 100 Francs golden coin from 1858 (Napoleon III epoch).
Diameter is 35mm, weight is 35.2 grams.
Production of Haas Neveux & Cie - well reputed company from Geneva, which was supplier for Tiffany and Cartier in late XIX, early XX.
The Haas Neveux company was one of the few experts of creating extra-thin movements, in 1896 Haas Neveux & Cie establishes a record with an ultraflat 2mm movement, seems to be used in this watch.
Circa 1910 - the watch is nice example of early coin watches from beginning of XX century.
The movement bears
Geneva Seal in two places.
Established in 1887, Geneva Seal mark the "watch from Geneva" as not just a watch manufactured in the canton, but first and foremost a watch that met a certain number of technical criteria, which determined it to be a top-quality product.
However, it didn't obtained popularity among the producers. The data shows, that only several hundreeds of movement obtained Geneva Seal yearly - minor fraction of Geneva production.
It seems, that Haas Neveux was one of major contributors.
In 1900, when around 400 movements received the Seal, 198 of them provided by Haas Neveux.
After end of WWI, about 1920s, the practice of marking by Geneva seal was gradually prohibited after 1920s until it's renaissance in 1990s.
Source - "L'invention du luxe / Histoire de l'industrie horlogère à Genève de 1815 à nos jours" by Pierre-Yvex Donze.
Haas & Cie. In 1848 the brothers Leopold and Benjamin Haas, founded the ANCIENNE MANUFACTURE DES MONTRES HAAS & CIE in Geneva.
The company excelled in unique and exceptional pieces and achieved its reputation with exquisite watches that pass for modern even today.
1884 Haas changed their name to Haas Neveux & Cie, to communicate that new family members had taken positions in the company.
In 1896 Haas Neveux & Cie establishes a record with an ultraflat 2mm movement for a ladies' watch and wins a first price for precision in the 1902 competition of the famous "Observatoire de Genève". In 1914 Haas was awarded the Grand Prix of the Swiss national exhibition in Bern.
Condition
The watch appears to be in good condition.
Movement sometimes it required to be shaken a little to start running, probably it's a magnetisation effect.
Otherwise movement is in good running condition.
Dial has couple of surface scratches.
Case has some minor dents, not very noticeable without magnification.
Case bears French hallmarks for 18k gold.
Overall good condition.
Item is not available